Specify module name via moduleName option instead of freeCompilerArgs

This allows to get rid of warnings about duplicate module name in some
of the modules.

libraries/stdlib/coroutines-experimental/build.gradle.kts

@@ -51,9 +51,9 @@ tasks {
                 "-Xopt-in=kotlin.contracts.ExperimentalContracts",
                 "-Xcoroutines=enable",
                 "-XXLanguage:-ReleaseCoroutines",
-                "-Xno-use-ir",
-                "-module-name", "kotlin-coroutines-experimental-compat"
+                "-Xno-use-ir"
             )
+            moduleName = "kotlin-coroutines-experimental-compat"
         }
     }
     val compileTestKotlin by existing(KotlinCompile::class) {

libraries/stdlib/jdk7/build.gradle

@@ -76,10 +76,10 @@ compileKotlin {
             "-Xallow-kotlin-package",
             "-Xmultifile-parts-inherit",
             "-Xnormalize-constructor-calls=enable",
-            "-module-name", project.name,
             "-Xopt-in=kotlin.RequiresOptIn",
             "-Xopt-in=kotlin.contracts.ExperimentalContracts",
     ]
+    kotlinOptions.moduleName = project.name
 }
 
 compileTestKotlin {

libraries/stdlib/jdk8/build.gradle

@@ -70,8 +70,8 @@ compileKotlin {
             "-Xallow-kotlin-package",
             "-Xmultifile-parts-inherit",
             "-Xnormalize-constructor-calls=enable",
-            "-module-name", project.name
     ]
+    kotlinOptions.moduleName = project.name
 }
 
 compileTestKotlin {

libraries/stdlib/jvm-minimal-for-test/build.gradle.kts

@@ -63,13 +63,12 @@ tasks.withType<KotlinCompile> {
     dependsOn(copySources)
     kotlinOptions {
         freeCompilerArgs += listOf(
-            "-module-name",
-            "kotlin-stdlib",
             "-Xallow-kotlin-package",
             "-Xmulti-platform",
             "-Xopt-in=kotlin.RequiresOptIn",
             "-Xopt-in=kotlin.contracts.ExperimentalContracts"
         )
+        moduleName = "kotlin-stdlib"
     }
 }
 

libraries/stdlib/jvm/build.gradle

@@ -117,12 +117,12 @@ compileKotlin {
                 "-Xallow-result-return-type",
                 "-Xmultifile-parts-inherit",
                 "-Xnormalize-constructor-calls=enable",
-                "-module-name", "kotlin-stdlib",
                 "-Xopt-in=kotlin.RequiresOptIn",
                 "-Xopt-in=kotlin.ExperimentalMultiplatform",
                 "-Xopt-in=kotlin.contracts.ExperimentalContracts",
                 "-Xinline-classes"
         ]
+        moduleName = "kotlin-stdlib"
     }
 }